1955–1956
National Gallery of Art, 1868
Frank, Robert, 1952
National Gallery of Art, 1978
National Gallery of Art, 1723
National Gallery of Art, 1935
National Gallery of Art, 1929
National Gallery of Art, 1700
National Gallery of Art, 1621
National Gallery of Art, 1500
National Gallery of Art, 1970
National Gallery of Art, 1877
National Gallery of Art, 1938
![Study for "Variations in Blue and Green" [verso]](https://api.nga.gov/iiif/42985929-b738-4c6f-a589-9238ba829696/full/843,/0/default.jpg)
